DIFFERENTIAL BUS TRANSCEIVERS
SN65ALS176, SN75ALS176, SN75ALS176A, SN75ALS176B DIFFERENTIAL BUS TRANSCEIVERS
D Meet or Exceed the Requirements of
TIA...
Description
SN65ALS176, SN75ALS176, SN75ALS176A, SN75ALS176B DIFFERENTIAL BUS TRANSCEIVERS
D Meet or Exceed the Requirements of
TIA/EIA-422-B, TIA/EIA-485-A† and ITU
Recommendations V.11 and X.27
D Operate at Data Rates up to 35 Mbaud D Four Skew Limits Available:
SN65ALS176 . . . 15 ns
SN75ALS176 . . . 10 ns
SN75ALS176A . . . 7.5 ns
SN75ALS176B . . . 5 ns
D Designed for Multipoint Transmission on
Long Bus Lines in Noisy Environments
D Low Supply-Current Requirements
. . . 30 mA Max
D Wide Positive and Negative Input/Output
Bus-Voltage Ranges
D Thermal Shutdown Protection D Driver Positive and Negative Current
Limiting
D Receiver Input Hysteresis D Glitch-Free Power-Up and Power-Down
Protection
D Receiver Open-Circuit Fail-Safe Design
SLLS040H – AUGUST 1987 – REVISED JUNE 2000
D OR P PACKAGE (TOP VIEW)
R1 RE 2 DE 3
D4
8 VCC 7B 6A 5 GND
description
The SN65ALS176 and SN75ALS176 series differential bus transceivers are designed for bidirectional data communication on multipoint bus transmission lines. They are designed for balanced transmission lines and meet TIA/EIA-422-B, TIA/EIA-485-A, and ITU Recommendations V.11 and X.27.
The SN65ALS176 and SN75ALS176 series combine a 3-state, differential line driver and a differential input line receiver, both of which operate from a single 5-V power supply. The driver and receiver have active-high and active-low enables, respectively, that can be connected together externally to function as a direction control. The driver differential outputs...
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